Secret revealed about extremely rare pandas with cocoa spots. Only a single cocoa panda in captivity - Qizai, the only giant panda currently living in captivity with brown and white coloring instead of black and white.
A change in the Bace2 gene is responsible for the light brown chocolate look. Based on the latest findings, the fluffy animals with the rare coloring are now to be bred specifically. But first, further tests must show whether the modified gene has harmful consequences for the animals.